Holmsen, H., S. Ljunghall, and T. Hlerton. “Myositis Ossificans Progressiva:: Clinical and Metabolical Observations in a Case Treated With a Diphosphonate (EHDP) and Surgical Removal of Ectopic Bone”. Acta Orthopaedica 50, no. 1 (January 1, 1979): 33–38. Accessed May 19, 2026. https://actaorthop.org/actao/article/view/28937.